Class LowerCaseFilter

Normalizes token text to lower case.

You must specify the required LuceneVersion compatibility when creating LowerCaseFilter:

• As of 3.1, supplementary characters are properly lowercased.

Inheritance

System.Object

AttributeSource

TokenStream

TokenFilter

LowerCaseFilter

Implements

IDisposable

Inherited Members

TokenFilter.m_input

TokenFilter.End()

TokenFilter.Dispose(Boolean)

TokenFilter.Reset()

TokenStream.Dispose()

AttributeSource.GetAttributeFactory()

AttributeSource.GetAttributeClassesEnumerator()

AttributeSource.GetAttributeImplsEnumerator()

AttributeSource.AddAttributeImpl(Attribute)

AttributeSource.AddAttribute<T>()

AttributeSource.HasAttributes

AttributeSource.HasAttribute<T>()

AttributeSource.GetAttribute<T>()

AttributeSource.ClearAttributes()

AttributeSource.CaptureState()

AttributeSource.RestoreState(AttributeSource.State)

AttributeSource.GetHashCode()

AttributeSource.Equals(Object)

AttributeSource.ReflectAsString(Boolean)

AttributeSource.ReflectWith(IAttributeReflector)

AttributeSource.CloneAttributes()

AttributeSource.CopyTo(AttributeSource)

AttributeSource.ToString()

Namespace: Lucene.Net.Analysis.Core

Assembly: Lucene.Net.Analysis.Common.dll

Syntax

public sealed class LowerCaseFilter : TokenFilter, IDisposable

Constructors

LowerCaseFilter(LuceneVersion, TokenStream)

Create a new LowerCaseFilter, that normalizes token text to lower case.

Declaration

public LowerCaseFilter(LuceneVersion matchVersion, TokenStream in)

Parameters

Type	Name	Description
LuceneVersion	matchVersion	See LuceneVersion
TokenStream	in	TokenStream to filter

Methods

IncrementToken()

Declaration

public override sealed bool IncrementToken()

Returns

Type	Description
System.Boolean

Overrides

TokenStream.IncrementToken()

Implements

IDisposable